Description of algorithm
Full domain
American sector
European sector
Asian sector
GODAE regions
  Ice concntr, edge pos
  Contingency tables

Validation of sea ice concentration - GODAE regions

Bulletin date: 2017-06-01

Model: ARC MFC - TOPAZ

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2017-06-05

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 15 4 0 0 0
OW 0 0 8 15 3 3 0 0
VODI 0 0 11 17 11 9 0 0
ODI 0 0 8 38 21 17 4 0
CDI 0 0 0 78 158 773 96 0
VCDI 0 0 0 0 34 2382 18209 14988
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 8 5 5 0 0
OW 0 0 0 11 9 13 3 0
VODI 0 0 7 6 16 22 13 0
ODI 0 0 11 14 8 21 18 0
CDI 0 0 9 118 113 695 257 0
VCDI 0 0 0 6 80 2428 18018 14988

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 26 7 0 0 0
OW 0 0 0 40 27 0 0 0
VODI 0 0 0 36 73 3 0 0
ODI 0 0 0 25 79 3 0 0
CDI 0 0 0 24 51 76 43 0
VCDI 0 0 0 6 157 228 1619 610
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 36 51 2 0 0
OW 0 0 0 44 69 4 0 0
VODI 0 0 0 10 50 0 0 0
ODI 0 0 0 21 16 0 0 0
CDI 0 0 0 40 51 85 245 0
VCDI 0 0 0 6 157 219 1417 610

Beaufort Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 63 229 407 36 2 0 0
OW 0 0 35 160 24 1 0 0
VODI 0 2 18 192 60 0 0 0
ODI 0 0 0 120 189 30 0 0
CDI 0 0 0 72 346 762 81 0
VCDI 0 0 0 0 17 456 3741 2939
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 63 174 382 44 2 0 0
OW 0 0 39 146 15 1 0 0
VODI 0 2 43 109 66 1 0 0
ODI 0 0 25 123 115 41 0 0
CDI 0 0 1 186 332 700 229 0
VCDI 0 0 0 5 100 506 3593 2939

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 810 504 69 2 0 0 0
OW 0 16 80 88 0 0 0 0
VODI 0 2 59 134 19 0 0 0
ODI 0 0 19 138 153 14 0 0
CDI 0 0 0 52 134 452 104 0
VCDI 0 0 0 0 0 867 1767 171
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 684 343 74 2 0 0 0
OW 0 79 59 46 1 0 0 0
VODI 0 40 102 50 19 0 0 0
ODI 0 21 81 63 54 51 1 0
CDI 0 4 77 248 232 616 678 0
VCDI 0 0 0 0 0 666 1192 171

Siberian Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 53 28 0 0 0 0
OW 0 0 23 55 3 0 0 0
VODI 0 0 11 61 23 0 0 0
ODI 0 0 16 33 87 9 0 0
CDI 0 0 24 102 247 550 25 0
VCDI 0 0 0 130 219 817 4444 286
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 17 32 0 0 0 0
OW 0 0 11 31 4 0 0 0
VODI 0 0 18 33 37 2 0 0
ODI 0 0 19 29 44 16 5 0
CDI 0 0 38 91 121 426 135 0
VCDI 0 0 24 193 373 932 4329 286

Laptev Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 4 0 0 0 0 0 0
OW 0 11 2 1 0 0 0 0
VODI 0 1 5 10 2 0 0 0
ODI 0 0 4 18 3 3 0 0
CDI 0 0 42 126 39 14 9 0
VCDI 0 0 0 147 393 721 3188 583
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 3 0 0 0 0 0 0
ODI 0 6 0 3 3 3 0 0
CDI 0 6 4 6 6 14 22 0
VCDI 0 1 49 293 428 721 3175 583

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 149 296 167 11 0 0 0
OW 0 6 157 275 23 0 1 0
VODI 0 0 31 506 89 7 0 0
ODI 0 1 3 258 244 42 3 0
CDI 0 0 0 205 738 1000 90 0
VCDI 0 0 0 0 126 721 1182 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 140 189 128 12 0 0 0
OW 0 11 91 76 21 4 1 0
VODI 0 3 88 285 68 31 2 0
ODI 0 1 99 375 105 57 17 0
CDI 0 1 20 463 387 656 97 0
VCDI 0 0 0 84 638 1022 1159 0

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 267 4003 4580 176 3 0 0 0
OW 0 8 84 297 14 0 0 0
VODI 0 0 29 429 119 1 0 0
ODI 0 0 0 120 328 40 0 0
CDI 0 0 0 31 140 416 94 0
VCDI 0 0 0 0 0 37 115 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 267 3940 4502 193 14 0 0 0
OW 0 50 76 106 41 1 0 0
VODI 0 21 59 289 150 12 0 0
ODI 0 0 50 252 189 86 0 0
CDI 0 0 6 213 199 309 36 0
VCDI 0 0 0 0 11 86 173 0

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2727 4346 999 301 4 0 0 0
OW 0 0 0 157 33 0 0 0
VODI 0 0 0 146 103 5 0 0
ODI 0 0 0 57 221 47 0 0
CDI 0 0 0 4 410 1496 159 0
VCDI 0 0 0 0 3 165 313 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 2727 4346 984 292 25 0 0 0
OW 0 0 15 131 86 7 0 0
VODI 0 0 0 116 102 94 0 0
ODI 0 0 0 90 106 205 49 0
CDI 0 0 0 36 444 1314 280 0
VCDI 0 0 0 0 11 93 143 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6727 4497 812 293 113 15 0 0
OW 0 0 7 64 31 10 0 0
VODI 0 0 0 53 39 30 1 0
ODI 0 0 0 0 69 67 14 0
CDI 0 0 0 0 7 66 71 0
VCDI 0 0 0 0 0 0 2 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 6727 4497 810 324 123 18 0 0
OW 0 0 9 76 41 37 3 0
VODI 0 0 0 10 84 86 32 0
ODI 0 0 0 0 11 46 37 0
CDI 0 0 0 0 0 1 16 0
VCDI 0 0 0 0 0 0 0 0

Baffin Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 96 411 389 20 0 0 0
OW 0 6 8 205 28 0 0 0
VODI 0 4 2 230 212 0 0 0
ODI 0 2 0 53 745 65 0 0
CDI 0 0 0 0 175 1547 552 0
VCDI 0 0 0 0 7 387 659 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 96 404 403 31 0 0 0
OW 0 1 11 198 52 1 0 0
VODI 0 6 4 173 203 17 0 0
ODI 0 5 2 101 606 151 16 0
CDI 0 0 0 2 291 1634 892 0
VCDI 0 0 0 0 4 196 303 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 35 214 448 25 0 0 0
OW 0 2 0 349 45 0 0 0
VODI 0 0 0 546 279 2 0 0
ODI 0 0 0 136 963 134 0 0
CDI 0 0 0 74 857 2365 141 0
VCDI 0 0 0 7 222 698 1045 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 36 209 447 35 0 0 0
OW 0 1 5 295 47 0 0 0
VODI 0 0 0 402 255 9 0 0
ODI 0 0 0 229 628 180 1 0
CDI 0 0 0 151 1151 1909 381 0
VCDI 0 0 0 36 275 1101 804 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8682 6681 1316 1253 80 7 0 0
OW 0 0 0 342 137 16 0 0
VODI 0 0 0 208 233 67 12 0
ODI 0 0 0 11 178 53 14 0
CDI 0 0 0 0 31 661 225 0
VCDI 0 0 0 0 0 0 2 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 8682 6681 1316 1454 152 30 0 0
OW 0 0 0 243 269 57 7 0
VODI 0 0 0 114 168 110 25 0
ODI 0 0 0 3 51 187 30 0
CDI 0 0 0 0 19 420 191 0
VCDI 0 0 0 0 0 0 0 0


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